<!-- 封装的通用echarts组件，用于在Vue项目中方便地使用echarts图表。 -->
<template>
  <div ref="chartContainer" class="chart-container"></div>
</template>

<script>
import * as echarts from 'echarts';

export default {
  props: {
    chartOptions: {
      type: Object,
      required: true,
    },
  },
  data () {
    return {
      chartInstance: null,
    };
  },
  mounted () {
    this.initChart();
  },
  methods: {
    initChart () {
      this.chartInstance = echarts.init(this.$refs.chartContainer);
      this.chartInstance.setOption(this.chartOptions);
    },
  },
};
</script>

<style scoped>
.chart-container {
  width: 100%;
  height: 400px;
}
</style>


<!--  使用组件，只需要传入chartOptions配置-->
<!-- <template>
  <ECharts :chartOptions="barChartOptions" />
</template>

<script>
import ECharts from '@/components/common/Echarts.vue';

export default {
  components: {
    ECharts,
  },
  data () {
    return {
      barChartOptions: {
        title: {
          text: 'Stacked Area Chart'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#6a7985'
            }
          }
        },
        legend: {
          data: ['Email', 'Union Ads', 'Video Ads', 'Direct', 'Search Engine']
        },
        toolbox: {
          feature: {
            saveAsImage: {}
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            type: 'category',
            boundaryGap: false,
            data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ],
        series: [
          {
            name: 'Email',
            type: 'line',
            stack: 'Total',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [120, 132, 101, 134, 90, 230, 210]
          },
          {
            name: 'Union Ads',
            type: 'line',
            stack: 'Total',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [220, 182, 191, 234, 290, 330, 310]
          },
          {
            name: 'Video Ads',
            type: 'line',
            stack: 'Total',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [150, 232, 201, 154, 190, 330, 410]
          },
          {
            name: 'Direct',
            type: 'line',
            stack: 'Total',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [320, 332, 301, 334, 390, 330, 320]
          },
          {
            name: 'Search Engine',
            type: 'line',
            stack: 'Total',
            label: {
              show: true,
              position: 'top'
            },
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [820, 932, 901, 934, 1290, 1330, 1320]
          }
        ]
      },
    };
  },
};
</script> -->
